CN110566986B - Horizontal flue inner ash removal device and working method thereof - Google Patents
Horizontal flue inner ash removal device and working method thereof Download PDFInfo
- Publication number
- CN110566986B CN110566986B CN201910749632.0A CN201910749632A CN110566986B CN 110566986 B CN110566986 B CN 110566986B CN 201910749632 A CN201910749632 A CN 201910749632A CN 110566986 B CN110566986 B CN 110566986B
- Authority
- CN
- China
- Prior art keywords
- screw rod
- flue
- flue main
- main body
- ash
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000007790 scraping Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000003500 flue dust Substances 0.000 claims description 2
- 239000002956 ash Substances 0.000 claims 9
- 239000010881 fly ash Substances 0.000 claims 1
- 230000008021 deposition Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
- F23J3/02—Cleaning furnace tubes; Cleaning flues or chimneys
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The application discloses a horizontal flue inner ash removal device and a working method thereof, aiming at the problems of troublesome ash removal and low safety of the traditional flue, the horizontal flue inner ash removal device is provided with a flue main body, an ash bucket is fixedly arranged at the middle position of the lower end of the flue main body, a closed cover plate is movably hinged at the bottom end of the ash bucket through a hinge, one end of the closed cover plate, which is far away from the hinge, is fixedly clamped and connected with the ash bucket through an industrial hinge, a front motor and a back motor are fixedly arranged at the left end of the flue main body, a first screw rod is fixedly connected to a power output shaft of the front motor and the back motor, the right end of the first screw rod penetrates through the flue main body and extends into the flue main body, a second screw rod is fixedly arranged at the right end of the first screw rod, the right end of the second screw rod is rotatably connected with the inner wall of the flue main body, and scraping plates are respectively arranged on the first screw rod and the second screw rod. The application has the advantages of convenient ash removal, good stability, high automation degree, simple operation and suitability for popularization and use.
Description
Technical Field
The application relates to an ash removing device, in particular to an ash removing device in a horizontal flue.
Background
The boiler flue of power plant has the horizontal segment, and the horizontal flue has a large amount of deposition when long-time use, and like the chinese patent of publication No. CN206911128U, publication No. 2018 01 month 23 days, deposition not only easily causes the jam to horizontal flue inside, and the dust of piling up has the pressure to horizontal flue, easily makes horizontal flue collapse, and current horizontal flue is troublesome to the deposition clearance of inside, and inefficiency often can cause horizontal flue collapse because of the deposition clearance is untimely, and then the application provides an ash removal device in the horizontal flue.
Disclosure of Invention
The application provides a horizontal flue inner ash removing device and a working method thereof, which solve the problems of troublesome ash removing and low safety of the traditional flue.
The application solves the problems by adopting the following technical scheme: the utility model provides an ash removal device in horizontal flue, includes the flue main part, its characterized in that, the lower extreme middle part fixed mounting of flue main part has the ash bucket, the bottom of ash bucket is through hinge swing joint installation closure apron, the one end that the hinge was kept away from to the closure apron is fixed through industry hinge and ash bucket joint, the left end fixed mounting of flue main part has positive and negative motor, fixedly connected with first lead screw on the power take off shaft of positive and negative motor, the right-hand member of first lead screw passes the flue main part to extend to the inside of flue main part, the right-hand member fixedly connected with second lead screw of first lead screw, the right-hand member of second lead screw is connected with the inner wall rotation of flue main part, all install the scraper blade on first lead screw and the second lead screw, the through-hole has been seted up respectively to the outer wall bottom of flue main part left and right sides, two the outside of through-hole is movable hinge installation closure baffle respectively, the ash outlet has been seted up to the lower extreme of flue main part, and the outlet is located directly over the ash bucket to the flue main part is linked together through ash outlet and ash bucket.
Preferably, the first screw rod is rotatably connected with the flue main body through a bearing.
Preferably, the first screw rod is fixedly connected with the second screw rod through a coupler, and the coupler is positioned right above the ash outlet.
Preferably, the first screw rod and the second screw rod are provided with scrapers through ball nut pairs, the scrapers are fixedly connected with the outer wall of the ball nut pairs, the two scrapers are contacted with the inner wall of the flue main body, and the two scrapers are symmetrically arranged on the left side and the right side of the coupler.
Preferably, the right end of the second screw rod is rotationally connected with the inner wall of the flue main body through a bearing seat.
Preferably, the first screw rod and the second screw rod have the same specification, and the threads are opposite in rotation direction.
The working method comprises the steps of opening two sealing baffles and sealing cover plates during ash removal, starting a positive motor and a negative motor, enabling a positive motor main shaft to rotate clockwise or anticlockwise, further driving a first screw rod to rotate clockwise or anticlockwise, enabling the first screw rod to drive a second screw rod to rotate clockwise or anticlockwise through a coupler, enabling the first screw rod and the second screw rod to drive two scraping plates to be close to or far away from each other through a ball nut pair, pushing dust in a flue main body to an ash outlet and through the ash outlet to fall into an ash hopper, discharging accumulated ash through the ash hopper and the ash outlet, and after ash removal is completed, starting the positive motor to drive the first screw rod and the second screw rod to rotate, enabling the two scraping plates to move to be clung to inner walls on the left side and the right side in the flue main body, so that the scraping plates are stored, further avoiding the scraping plates from blocking the flue main body, and then closing the two sealing baffles and the sealing cover plates.
Compared with the prior art, the application has the following advantages and effects: through the mutual matching arrangement of the positive and negative motor, the flue main body, the first screw rod, the scraping plate, the second screw rod, the coupler and the ball nut pair, deposited ash in the flue main body can be smoothly conveyed into the ash hopper and the through holes on two sides of the flue main body and discharged through the ash hopper and the through holes, and the effect of rapidly removing ash on the horizontal section in the flue main body is achieved; through setting up bearing and bearing frame, improved first lead screw and second lead screw pivoted stability.
The application has reasonable structure, convenient ash removal, good stability, high automation degree and simple operation, and is suitable for popularization and use.
Drawings
FIG. 1 is a schematic diagram of a horizontal flue dust removal device according to an embodiment of the present application.
FIG. 2 is a cross-sectional view of an ash removal device in a horizontal flue in an embodiment of the application.
Fig. 3 is an enlarged view of the structure at a in fig. 2.
In the figure: the ash bucket type dust collector comprises a front motor 1, an ash bucket 2, a flue main body 3, a bearing 4, a first screw rod 5, an ash outlet 6, a scraping plate 7, a bearing seat 8, a second screw rod 9, a coupler 10, a ball nut pair 11, a sealing cover plate 12, a sealing baffle 13 and an industrial hinge 14.
Detailed Description
The present application will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present application and not limited to the following examples.
Referring to fig. 1-3, the ash removal device in the horizontal flue in this embodiment, including flue main part 3, the lower extreme intermediate position fixed mounting of flue main part 3 has ash bucket 2, through setting up ash bucket 2, can be convenient for carry out the output to the deposition in the flue main part 3, the bottom of ash bucket 2 is through hinge movable hinge installation closure apron 12, the one end that closure apron 12 kept away from the hinge is fixed through industry hinge 14 and ash bucket 2 joint, industry hinge 14 is convenient for open and close closure apron 12 fast, the left end fixed mounting of flue main part 3 has positive and negative motor 1, fixedly connected with first lead screw 5 on the power output shaft of positive and negative motor 1, the right-hand member of first lead screw 5 passes flue main part 3, and extend to the inside of flue main part 3, the right-hand member fixed mounting of first lead screw 5 has second lead screw 9, the right-hand member of second lead screw 9 is connected with the inner wall rotation of flue main part 3, all install scraper blade 7 on first lead screw 5 and the second lead screw 9, the outer wall bottom of the left and right sides of main part 3 is opened respectively and is opened the opening, the outside of two openings is movable hinge installation respectively has closure apron 13, be convenient for carry out the output of ash in the flue main part 3.
In the embodiment, the lower end of the flue main body 3 is provided with the ash outlet 6, the ash outlet 6 is positioned right above the ash bucket 2, the flue main body 3 is communicated with the ash bucket 2 through the ash outlet 6, the design is convenient for the accumulated ash in the flue main body 3 to be discharged from the ash bucket 2, the first screw rod 5 is rotationally connected with the flue main body 3 through the bearing 4, the design can improve the stability of the connection between the first screw rod 5 and the flue main body 3, the first screw rod 5 is fixedly connected with the second screw rod 9 through the coupler 10, the coupler 10 is positioned right above the ash outlet 6, the scraping plates 7 are respectively arranged on the first screw rod 5 and the second screw rod 9 through the ball nut pairs 11, the scraping plates 7 are fixedly connected with the outer walls of the ball nut pairs 11, and the two ball nut pairs 11 can drive the two scraping plates 7 to move left and right on the first screw rod 5 and the second screw rod 9 under the action of threads; two scrapers 7 and the inner wall contact of flue main part 3, two scrapers 7 symmetry set up in the left and right sides of shaft coupling 10, this design is convenient for two scrapers 7 carry out synchronous propelling movement to the deposition, the right-hand member of second lead screw 9 is rotated through bearing frame 8 and the inner wall of flue main part 3 and is connected, this design has improved the stability that second lead screw 9 is connected with flue main part 3, first lead screw 5 is the same with second lead screw 9 length specification, and the screw thread is swirled to opposite, this design realizes when starting positive and negative motor 1, two scrapers 7 can be close to each other or keep away from the motion each other, be convenient for carry out the propelling movement to the deposition.
When the ash is removed, the two sealing baffles 13 and the sealing cover plate 12 are opened, the positive and negative motor 1 is started, the main shaft of the positive and negative motor 1 rotates clockwise or anticlockwise, the first screw rod 5 is driven to rotate clockwise or anticlockwise, the second screw rod 9 is driven to rotate clockwise or anticlockwise by the first screw rod 5 through the coupler 10, the first screw rod 5 and the second screw rod 9 which rotate drive the two scraping plates 7 to be close to or far away from each other through the ball nut pair 11, dust in the flue main body 3 can be pushed to the ash outlet 6 and the through openings on two sides of the flue main body 3, and falls into the ash hopper 2 through the ash outlet 6, deposited ash is discharged through the ash hopper 2 and the through openings, after the ash removal is completed, the positive and negative motor 1 is started to drive the first screw rod 5 and the second screw rod 9 to rotate, the two scraping plates 7 are moved to the inner walls which are clung to the left and right sides of the flue main body 3, the scraping plates 7 are stored, the ash is further prevented from blocking the flue main body 3, and then the two sealing baffles 13 and the sealing cover plate 12 are closed. Through the mutual matching arrangement of the positive and negative motor 1, the flue main body 3, the first screw rod 5, the scraping plate 7, the second screw rod 9, the coupler 10 and the ball nut pair 11, deposited ash in the flue main body 3 can be smoothly conveyed to the ash hopper 2 and the through holes on two sides of the flue main body 3 and discharged through the ash hopper 2 and the through holes, and the effect of rapidly cleaning ash in the flue main body 3 is achieved; by arranging the bearing 4 and the bearing seat 8, the stability of the rotation of the first screw rod 5 and the second screw rod 9 is improved. The application has reasonable structure, convenient ash removal, good stability, high automation degree and simple operation, and is suitable for popularization and use.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Although the present application has been described with reference to the above embodiments, it should be understood that the present application is not limited to the above embodiments, and modifications can be made by those skilled in the art without departing from the spirit and scope of the application.
Claims (4)
1. The utility model provides an ash removal device in horizontal flue, includes flue main part (3), its characterized in that, the lower extreme middle part fixed mounting of flue main part (3) has ash bucket (2), the bottom of ash bucket (2) is through hinge movable hinge mounting to close apron (12), the one end that closes apron (12) and leaves the hinge is fixed through industry hinge (14) and ash bucket (2) joint, the left end fixed mounting of flue main part (3) has positive and negative motor (1), fixedly connected with first lead screw (5) on the power take-off shaft of positive and negative motor (1), the right-hand member of first lead screw (5) passes flue main part (3) to extend to the inside of flue main part (3), the right-hand member fixedly connected with second lead screw (9) of first lead screw (5), the right-hand member of second lead screw (9) is connected with the inner wall rotation of flue main part (3), all install scraper blade (7) on first lead screw (5) and the second lead screw (9), the outer wall of the left and right sides of flue main part (3) is equipped with respectively through opening, two outside of opening (6) are located respectively in the flue main part (6) and are offered in the outside of ash bucket (6) and are located respectively to close the opening (6), the flue main body (3) is communicated with the ash bucket (2) through an ash outlet (6); the first screw rod (5) is fixedly connected with the second screw rod (9) through a coupler (10), and the coupler (10) is positioned right above the ash outlet (6); the first screw rod (5) and the second screw rod (9) are respectively provided with a scraping plate (7) through a ball nut pair (11), the scraping plates (7) are fixedly connected with the outer wall of the ball nut pair (11), the two scraping plates (7) are contacted with the inner wall of the flue main body (3), and the two scraping plates (7) are symmetrically arranged at the left side and the right side of the coupler (10); the first screw rod (5) and the second screw rod (9) have the same specification, and the screw threads are opposite in rotation direction.
2. The horizontal in-flue ash removal device according to claim 1, characterized in that the first screw rod (5) is rotatably connected with the flue main body (3) through a bearing (4).
3. The ash removal device in the horizontal flue according to claim 1, wherein the right end of the second screw rod (9) is rotatably connected with the inner wall of the flue main body (3) through a bearing seat (8).
4. A working method of a horizontal flue dust removal device according to any one of claims 1-3, wherein when dust removal is carried out, two sealing baffles (13) and sealing cover plates (12) are opened, a positive and negative motor (1) is started, a main shaft of the positive and negative motor (1) rotates clockwise or anticlockwise, and then a first screw rod (5) is driven to rotate clockwise or anticlockwise, a second screw rod (9) is driven to rotate clockwise or anticlockwise through a coupling (10) by the rotating first screw rod (5), the rotating first screw rod (5) and the second screw rod (9) drive two scraping plates (7) to be close to or far away from each other through a ball nut pair (11), dust in a flue main body (3) is pushed to a dust outlet (6) and through openings on two sides of the flue main body (3), dust is dropped into a dust hopper (2) through the dust outlet (6), deposited dust is discharged through the dust hopper (2) and the dust outlet, after dust removal is completed, the positive and negative motor (1) is driven to rotate the first screw rod (5) and the second screw rod (9) to rotate clockwise or anticlockwise, the two scraping plates (7) are driven to move to the two scraping plates (7) to be close to the two sealing baffles (3) to the two sides of the flue main body (3), and then the sealing cover plates (13) are prevented from being closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749632.0A CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749632.0A CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
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| Publication Number | Publication Date |
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| CN110566986A CN110566986A (en) | 2019-12-13 |
| CN110566986B true CN110566986B (en) | 2023-11-28 |
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| CN201910749632.0A Active CN110566986B (en) | 2019-08-14 | 2019-08-14 | Horizontal flue inner ash removal device and working method thereof |
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| CN113020010A (en) * | 2021-03-08 | 2021-06-25 | 柳州壬佳生物科技有限公司 | Microbial cultivation device capable of preventing interference with illumination intensity |
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| CN206637637U (en) * | 2017-03-30 | 2017-11-14 | 厦门大学嘉庚学院 | A kind of deashing device that flue is placed suitable for transverse horizontal |
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| CN206875461U (en) * | 2017-06-14 | 2018-01-12 | 厦门大学嘉庚学院 | A kind of deashing device of horizontal placement flue |
| CN207299000U (en) * | 2017-07-25 | 2018-05-01 | 漳州理工职业学院 | A kind of flue cleaning device |
| CN208186393U (en) * | 2018-04-12 | 2018-12-04 | 三明学院 | A kind of rotary flue deashing device |
| CN208817510U (en) * | 2018-08-07 | 2019-05-03 | 福建农林大学 | A kind of flue deashing device |
| CN211011434U (en) * | 2019-08-14 | 2020-07-14 | 华电电力科学研究院有限公司 | Ash removal device in horizontal flue |
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2019
- 2019-08-14 CN CN201910749632.0A patent/CN110566986B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257735A (en) * | 1993-03-05 | 1994-09-16 | Daido Steel Co Ltd | Dust removing device of exhaust duct |
| CN2298432Y (en) * | 1997-04-10 | 1998-11-25 | 张庆敏 | Boiler convection heating surface flue ash cleaning apparatus |
| JPH11218322A (en) * | 1998-02-03 | 1999-08-10 | Mitsui Mining & Smelting Co Ltd | Treating device for smoke and ash in flue |
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